kh_pn_hash_func   239 core/khash.h     KHASH_INIT(name, t, _PN, _PN, _PN, 1, kh_pn_hash_func,		\
kh_pn_hash_func   240 core/khash.h   	     kh_pn_hash_equal, kh_pn_hash_func, kh_pn_hash_equal)